Pls help me with business ahh

Identify the accounting assumption or principle that is described below. (a) select the accounting assumption or principle is the rationale for why plant assets are not reported at liquidation value. (note: do not use the historical cost principle.) (b) select the accounting assumption or principle indicates that personal and business record-keeping should be separately maintained. (c) select the accounting assumption or principle assumes that the dollar is the "measuring stick" used to report on financial performance. (d) select the accounting assumption or principle separates financial information into time periods for reporting purposes. (e) select the accounting assumption or principle measurement basis used when a reliable estimate of fair value is not available. (f) select the accounting assumption or principle dictates that companies should disclose all circumstances and events that make a difference to financial statement users.

Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i. e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i. e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.

1. what is the amount of interest earned after two years on a $100 deposit paying 4 percent simple interest annually? $8.00 $4.08 $8.16 $4.00 2. what is the amount of compound interest earned after three years on a $100 deposit paying 8 percent interest annually? $24.00 $8.00 $16.64 $25.97 3. a business just took out a loan for $100,000 at 10% interest. if the business pays the loan off in three months, how much did the business pay in interest? $2,500.00 $10.00 $250.00 $10,000.00 4. what is the annual percentage yield (apy) for a deposit paying 5 percent interest with monthly compounding? 5.00% 5.12% 79.59% 0.42%